78115708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{4217}}^1$

素因数の和:4653

約数の個数: 24

約数和(自身を含む): 149519664

約数和(自身を除く): 71403956

約数列:

[1, 2, 4, 11, 22, 44, 421, 842, 1684, 4217, 4631, 8434, 9262, 16868, 18524, 46387, 92774, 185548, 1775357, 3550714, 7101428, 19528927, 39057854, 78115708]

約数ペア:

[(1, 78115708), (2, 39057854), (4, 19528927), (11, 7101428), (22, 3550714), (44, 1775357), (421, 185548), (842, 92774), (1684, 46387), (4217, 18524), (4631, 16868), (8434, 9262)]